CVE-2025-5053 FreeFloat FTP Server MDIR Command buffer overflow

Medium 6.9 Published Updated

Remote attackers can trigger a buffer overflow in the MDIR command handler of FreeFloat FTP Server, potentially leading to code execution or service disruption.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-5053?

CVE-2025-5053 is a medium-severity memory corruption vulnerability in FreeFloat FTP Server, published on 21 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability, which was classified as critical, has been found in FreeFloat FTP Server 1.0. Affected by this issue is some unknown functionality of the component MDIR Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-120, CWE-119

Which versions are affected by CVE-2025-5053?

It affects 1 product.

Products include Freefloat Ftp Server.

How do I fix CVE-2025-5053?

No fix has been published for CVE-2025-5053 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2025-5053 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5053 exists.

Sources

Also known as GHSA-c8hr-6m27-p6qr.

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